CVE-2021-43742
MEDIUMCVSS 5.4/10EPSS 0.55%
Last modified
CVE-2021-43742 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cmsimple | Cmsimple | 5.4 |
References
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43742Exploit, Third Party Advisory
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43742Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43742?
CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.
How severe is CVE-2021-43742?
CVE-2021-43742 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43742?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-43735CmsWing 1.3.7 is affected by a SQLi vulnerability via parame…9.8
- CVE-2021-43736CmsWing CMS 1.3.7 is affected by a Remote Code Execution (RC…9.8
- CVE-2021-43737An issus was discovered in xiaohuanxiong CMS 5.0.17. There i…6.5
- CVE-2021-43738An issue was discovered in xiaohuanxiong CMS 5.0.17. There i…8.8
- CVE-2021-4374The WordPress Automatic Plugin for WordPress is vulnerable t…9.8
- CVE-2021-43741CMSimple 5.4 is vulnerable to Directory Traversal. The vulne…9.8
- CVE-2021-43745A Denial of Service vulnerabilty exists in Trilium Notes 0.4…5.5
- CVE-2021-43746Adobe Premiere Rush versions 1.5.16 (and earlier) allows acc…5.5
- CVE-2021-43747Adobe Premiere Rush version 1.5.16 (and earlier) is affected…7.8
- CVE-2021-43748Adobe Premiere Rush versions 1.5.16 (and earlier) are affect…5.5
- CVE-2021-43749Adobe Premiere Rush versions 1.5.16 (and earlier) are affect…5.5
- CVE-2021-4375The Welcart e-Commerce plugin for WordPress is vulnerable to…4.3
Are you affected by CVE-2021-43742?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST